High-low pressure conversion pressure sensing valve

Abstract

The utility model discloses a high-pressure and low-pressure conversion pressure sensing valve, which relates to the field of valves and comprises a high-pressure and low-pressure conversion pressure valve main body, sprinkler heads are arranged on the outer side walls of the high-pressure and low-pressure conversion pressure valve main body, and a valve core is arranged on the inner side of the high-pressure and low-pressure conversion pressure valve main body. A valve head is installed at one end of the high-low pressure conversion pressure valve body, the outer side wall of the valve head is sleeved with a reset spring, one end of the reset spring is welded to one end of a valve element, and a filtering mechanism is installed at the other end of the high-low pressure conversion pressure valve body. According to the high-low pressure conversion pressure valve, the filtering mechanism is arranged, impurities in inlet water can be filtered in the water inlet process of the high-low pressure conversion pressure valve body, and the situation that the impurities in the inlet water adhere to the inner side of the high-low pressure conversion pressure valve body, and consequently the inner side of the high-low pressure conversion pressure valve body cannot operate normally after a long time is avoided; and the filter screen is connected through clamping between the fixing blocks and the fixing grooves, so that the filter screen is convenient to disassemble and clean.

Description

Technical Field

[0001] The utility model relates to the field of induction valves, in particular to a high-low pressure conversion pressure induction valve. Background Art

[0002] Valves have been widely used in the fields of superhard material manufacturing, chemical industry, petrochemical industry, processing technology, isostatic processing, ultra-high static pressure extrusion, powder metallurgy, metal forming, geophysics, geophysics research, etc., and can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. The opening and closing part is a disc-shaped valve plate that rotates around its own axis in the valve body to achieve the purpose of opening and closing or regulating, including high-pressure valves and induction valves, so a high-low pressure conversion pressure induction valve is needed.

[0003] The existing high-low pressure conversion pressure sensing valve has poor filtering effect during use, which can easily cause the high-low pressure conversion pressure sensing valve to become blocked and unable to be used normally. At the same time, the high-ground pressure conversion structure is relatively complicated during use. Therefore, a high-low pressure conversion pressure sensing valve is urgently needed. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a high-low pressure conversion pressure sensing valve to solve the problem that the existing high-low pressure conversion pressure sensing valve has poor filtering effect during use, which easily causes the high-low pressure conversion pressure sensing valve to become blocked and cannot be used normally, and the high-ground pressure conversion structure is relatively complicated during use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-low pressure conversion pressure sensing valve, comprising a high-low pressure conversion pressure valve body, the outer side walls of the high-low pressure conversion pressure valve body are installed with water spray heads, the inner side of the high-low pressure conversion pressure valve body is installed with a valve core, one end of the high-low pressure conversion pressure valve body is installed with a valve head, the outer side wall of the valve head is sleeved with a reset spring, one end of the reset spring is welded to one end of the valve core, and the other end of the high-low pressure conversion pressure valve body is installed with a filtering mechanism.

[0006] Preferably, the filtering mechanism comprises a fixing groove, a fixing block and a filter screen, a fixing groove is opened on the inner side wall of one end of the high-low pressure conversion pressure valve body, a fixing block is riveted on the inner side of the fixing groove, and a filter screen is welded on the outer side wall of the fixing block.

[0007] Preferably, the filter screen is snap-connected between the fixing block and the fixing groove, and the outer diameter of the filter screen matches the inner diameter of one end of the high-low pressure conversion pressure valve body.

[0008] Preferably, the valve head is telescopically connected to the high-low pressure conversion valve body via a return spring, and the outer diameter of the valve head is smaller than the inner diameter of the return spring.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. The utility model provides a filtering mechanism, during the water intake process of the high-low pressure conversion valve body, impurities in the incoming water can be filtered, thereby preventing impurities in the incoming water from adhering to the inner side of the high-low pressure conversion valve body, causing the inner side of the high-low pressure conversion valve body to be unable to operate normally for a long time, and then the filter net is connected by the engagement between the fixed block and the fixed groove, which is convenient for disassembly and cleaning of the filter net. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the front view appearance structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the side view of the appearance structure of the utility model;

[0013] Figure 3 This is a schematic diagram of the connection structure between the valve core, valve head and return spring parts of the utility model.

[0014] In the figure: 1. high and low pressure conversion pressure valve body; 2. water spray head; 3. valve core; 4. valve head; 5. return spring; 6. filter mechanism; 601. fixing groove; 602. fixing block; 603. filter screen. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0016] The following describes an embodiment of the utility model based on its overall structure.

[0017] See also Figure 1-3, a high-low pressure conversion pressure sensing valve comprises a high-low pressure conversion pressure valve body 1, the outer side walls of the high-low pressure conversion pressure valve body 1 are both equipped with a water spray head 2, the inner side of the high-low pressure conversion pressure valve body 1 is equipped with a valve core 3, one end of the high-low pressure conversion pressure valve body 1 is equipped with a valve head 4, the outer side wall of the valve head 4 is sleeved with a return spring 5, one end of the return spring 5 is welded to one end of the valve core 3, and the other end of the high-low pressure conversion pressure valve body 1 is equipped with a filter mechanism 6, and then through the set filter mechanism 6, during the water intake process of the high-low pressure conversion pressure valve body 1, impurities in the incoming water can be filtered, so as to avoid the impurities in the incoming water adhering to the inner side of the high-low pressure conversion pressure valve body 1, resulting in the high-low pressure conversion pressure valve body 1 The inner side cannot operate normally for a long time, and then the filter net 603 is connected by the engagement between the fixing block 602 and the fixing groove 601, so as to facilitate the disassembly and cleaning of the filter net 603.

[0018] Working principle: When in use, first move the device to the desired position, and then connect the high-low pressure conversion pressure valve body 1 to the connected pipeline, high-pressure water is discharged from the sprinkler head 2, and the high-low pressure conversion pressure valve body 1 rotates to achieve high-pressure water cutting, and finally through the provided filtering mechanism 6, during the water intake process of the high-low pressure conversion pressure valve body 1, impurities in the incoming water can be filtered, thereby preventing impurities in the incoming water from adhering to the inner side of the high-low pressure conversion pressure valve body 1, causing the inner side of the high-low pressure conversion pressure valve body 1 to be unable to operate normally for a long time, and then the filter net 603 is connected by the engagement between the fixed block 602 and the fixed groove 601, so as to facilitate the disassembly and cleaning of the filter net 603, thereby completing the use process of the device. The contents not described in detail in this manual belong to the prior art known to professional and technical personnel in this field.

[0019] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0020] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high-low pressure conversion pressure sensing valve, comprising a high-low pressure conversion pressure valve body (1), characterized in that: A water spray head (2) is installed on the outer wall of the high-low pressure conversion pressure valve body (1), a valve core (3) is installed inside the high-low pressure conversion pressure valve body (1), a valve head (4) is installed at one end of the high-low pressure conversion pressure valve body (1), a return spring (5) is sleeved on the end of the valve head (4), one end of the return spring (5) is welded to one end of the valve core (3), and a filter mechanism (6) is installed at the other end of the high-low pressure conversion pressure valve body (1).

2. A high-low pressure conversion pressure sensing valve according to claim 1, characterized in that: A fixing groove (601) is provided on the inner side wall of one end of the high-low pressure conversion pressure valve body (1) on which the filter mechanism (6) is installed, a fixing block (602) is riveted on the inner side of the fixing groove (601), and a filter screen (603) is welded on the outer side wall of the fixing block (602).

3. A high-low pressure conversion pressure sensing valve according to claim 2, characterized in that: The filter screen (603) is connected by snapping between the fixing block (602) and the fixing groove (601), and the outer diameter of the filter screen (603) matches the inner diameter of one end of the high-low pressure conversion pressure valve body (1).

4. A high-low pressure conversion pressure sensing valve according to claim 2, characterized in that: One end of the valve core (3) away from the return spring (5) contacts a side of the fixing groove (601) away from the filter screen (603).

5. The high-low pressure conversion pressure sensing valve according to claim 1, characterized in that: The valve head (4) is telescopically connected to the high-low pressure conversion pressure valve body (1) via a return spring (5); the outer diameter of the valve head (4) is smaller than the inner diameter of the return spring (5).

Images